communication par satellite [ satellite de communication | satellite de diffusion directe | satellite de télécommunication | satellite européen de communication ]
satellite communications [ communications satellite | direct broadcasting satellite | European communications satellite | telecommunications satellite ]
32 ÉDUCATION ET COMMUNICATION | MT 3226 communication | BT1 télécommunication | BT2 système de communication | RT navigation par satellite [4811] | satellite [4826]
32 EDUCATION AND COMMUNICATIONS | MT 3226 communications | BT1 telecommunications | BT2 communications systems | RT satellite [4826] | satellite navigation [4811]